Orion Digital information display, User Manual

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6. Before calling for service
▶
"Tick" sound from the main body.
- If there is no problem with the screen or sound, the "tick" sound
is likely to result from the cabinet lightly shrinking with the change
of room temperature. The sound does not affect product’s
performance.
▶ No image at upper and lower part of the screen.
- As for a screen which is over 16:9 in width (such as cinema-sized
one), no image may be displayed at upper and bottom part of the
screen.
▶ Speckles or white lines on the screen
- Check whether the problem is caused by vehicle, streetcar, high-
voltage cable or neon sign, which emitting interference wave or
electromagnetic induction. Avoid any interfering object.
• Before calling for any repair, check the following and then refer to a near A/S center.